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Finding the Fourth Proportional to 17,674.68, 26,490.12 and 8,904.80

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Solution

The fourth proportional to 17,674.68, 26,490.12 and 8,904.80 is: 13,346.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,674.68 : 26,490.12 = 8,904.80 : x
  2. Step 2: Convert to fraction form
    17,674.68/26,490.12 = 8,904.80/x
  3. Step 3: Cross multiply
    17,674.68x = 26,490.12 × 8,904.80
  4. Step 4: Simplify right side
    17,674.68x = 235,889,220.58
  5. Step 5: Solve for x
    x = 235,889,220.58/17,674.68
  6. Step 6: Final answer
    x = 13,346.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.